Lambda

Question 1

What is Lambda ?

Answer 1

It is a compute service which allows you to upload code and create a function.

Question 2

Benefits of Lambda?

Answer 2

No provisioning, patching, scaling (Out not Up)

Question 3

How do you use Lambda?

Answer 3

1) As an event drive compute service, where AWS runs your code in response to events.
2) As an event drive compute service, where AWS runs your code in response to HTTP requests using AWS API gateway or AWS SDKs.
3) Lambda events can trigger other Lambda events.

Question 4

Lambda Run times?

Answer 4

1) C#
2) Java
3) Python
4) Node.js

Question 5

Lambda major triggers

Answer 5

1) API Gateway
2) Alexa Smart home
3) CloudWatch
4) CloudFront
5) DynamDB
6) Kinesis
7) S3
8) SNS

Question 6

Lamdba Pricing

Answer 6

First 1,000,000 requests are free. 20cents per 1 million requests thereafter.
It also bills for duration.

Question 7

Lambda duration?

Answer 7

5 minutes is the time out limit.

Question 8

Lambda functions vs events?

Answer 8

Lambda functions are independent, 1 event = 1 function

Question 9

What is AWS X-Ray?

Answer 9

It is a lambda function debugging utility.

Question 10

Lambda is Global

Answer 10

So you can perform triggers on a global scale.